90 Sioux Ln, Los Altos, CA 94022 Property Records

Santa Clara County property record for 90 Sioux Ln, Los Altos, CA 94022

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,340 sqft · built 1966
Lot Size	0.287 acres (12,512 sqft)
Owner	Trust Name on File
Last Sale	$4,500,000 (Dec 2017)
Tax Bill	$60,808 (2025)
Deeds & Mortgages	Dec 2017 Sale
Flood Zone	Zone X (moderate risk)
APN	`170-43-030`

Property Details

APN / Parcel Number

Primary APN	`170-43-030`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	1 Story
Building Area	3,340 sqft Living Area
Gross Area	2,625 sqft
1st Floor Area	2,625 sqft
Family Room	Family Room
Utility Room	Utility Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1966
Effective Year Built	Effective 2000
Architectural Style	H-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	12,512 sqft (0.287 acres)
Lot Dimensions	136 ft deep x 92 ft wide
Garage Area	472 sqft
Parking Spaces	2 Parking Spaces
Porch	None

Utilities, Heating & Cooling

Heating System	HVAC
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	90 SIOUX LN
City	LOS ALTOS
State	CA
Zip	94022-3030
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 3510 CARMICHAEL MANOR BOOK 163 PAGE 9 LOT 7
Legal Subdivision	CARMICHAEL MANOR
Legal Tract	3510
Legal Lot Number	7
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1010
Census Tract	510300

Owner

90 Sioux Ln is owner-occupied and held in a trust since December 2017.

Source: Santa Clara County records, as of July 27, 2026

Owner of Record	Trust Name on File
Mailing Address	90 SIOUX LN, LOS ALTOS, CA 94022-3030
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 22, 2017 · Amount on File
Deed Sale	Dec 22, 2017 · Amount on File
Prior Sale	Jun 5, 2008
Deed Document Number	201723833619
Transfer Doc	0012934735
Record Updated	Oct 29, 2026

December 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Dec 22, 2017
Property Address	90 SIOUX LN, LOS ALTOS, CA 94022-3030
Document Number	0023833619
Instrument Date	Dec 15, 2017
Instrument	23833619
Transaction Type	Transfer
Record Updated	Jan 3, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount on Record
Tax	$4,950.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	2116 REYNOLDS ST FALLS CHURCH VA 220431610, FALLS CHURCH, VA 22043-1610

Tax Assessment & Valuation

The 2025 property tax bill for 90 Sioux Ln was $60,808.

Source: Santa Clara County assessment roll, as of July 27, 2026

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Municipality	Los Altos City
Elementary School District	Los Altos Elementary School District (KG - 08)
Secondary School District	Mountain View-Los Altos Union School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$5,222,632 (+2%) Land $4,062,049 Building $1,160,583
2025	$60,808.00	$5,120,228 Land $3,982,401 Building $1,137,827
2023	$57,924.00 (+0.77%)	$4,921,405 Land $3,827,760 Building $1,093,645
2022	$57,480.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 90 Sioux Ln in Zone X, an area of moderate flood risk.

Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	3 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 90 Sioux Ln is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 97% of the US · lower than 97.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CWSC LOS ALTOS SUBURBAN private · serves 63,559 people · EPA ID CA4310001
Water Source	Purchased surface water from several systems
Last State Inspection	Aug 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 422 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Cruzio Fixed Wireless	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

Nearby Properties on Sioux Ln

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures